Não informado. (1895). Circular of the Astronomical Observatory of Harvard College. Harvard College, Astronomical Observatory.
Chicago-viite (17. p.)Não informado. Circular of the Astronomical Observatory of Harvard College. Cambridge, Mass: Harvard College, Astronomical Observatory, 1895.
MLA-viite (8. p.)Não informado. Circular of the Astronomical Observatory of Harvard College. Harvard College, Astronomical Observatory, 1895.
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